LIMITED POWER OF ATTORNEY FOR
SECTION 16 REPORTING OBLIGATIONS


	Know
all by these presents, that the undersigned hereby constitutes and appoints
each of Enoch Jen, any successor Chief Financial Officer of Gentex
Corporation (the "Corporation"), and Steve Dykman, any successor Controller
of the Corporation, and any of their respective designates, signing singly,
the undersigned's true and lawful attorney-in-fact to:

(1)	execute for
and on behalf of the undersigned, in the undersigned's capacity as an
officer and/or director of the Corporation, Forms 3, 4, and 5 in accordance
with Section 16(a) of the Securities Exchange Act of 1934 and the rules
thereunder;

(2)	do and perform any and all acts for and on behalf of the
undersigned that may be necessary or desirable to complete and execute any
such Form 3, 4, or 5, complete and execute any amendment or amendments
thereto, and timely file such form with the United States Securities and
Exchange Commission and any stock exchange or similar authority;
and

(3)	take any other action of any type whatsoever in connection with
the foregoing that, in the opinion of such attorney-in-fact, may be of
benefit to, in the best interest of, or legally required by, the
undersigned, it being understood that the documents executed by such
attorney-in-fact on behalf of the undersigned pursuant to this Power of
Attorney shall be in such form and shall contain such terms and conditions
as such attorney-in-fact may approve in such attorney-in-fact's
discretion.

	The undersigned hereby grants to each such attorney-in-fact
full power and authority to do and perform any and every act and thing
whatsoever requisite, necessary or proper to be done in the exercise of any
of the rights and powers herein granted, as fully to all intents and
purposes as the undersigned might or could do if personally present, with
full power of substitution or revocation, hereby ratifying and confirming
all that such attorney-in-fact's substitute or substitute's, shall lawfully
do or cause to be done by virtue of this Power of Attorney and the rights
and powers herein granted.

The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at the request of
the undersigned, are not assuming, nor is the Corporation assuming, any of
the undersigned's responsibilities to comply with Section 16 or any other
provision of the Securities Exchange Act of 1934.

	This Power of
Attorney shall remain in full force and effect until the undersigned is no
longer required to file Forms 3, 4, and 5 with respect to the undersigned's
holdings of and transactions in securities issued by the Corporation,
unless earlier revoked by the undersigned in a signed writing delivered to
the foregoing attorneys-in-fact.

	IN WITNESS WHEREOF, the undersigned
has caused this Power of Attorney to be executed as of this 12th day of
November, 2002.

                                     \s\   Garth Deur

Signature________________________________